package com.zzyl.service.impl;

import cn.hutool.core.date.LocalDateTimeUtil;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.zzyl.base.PageResponse;
import com.zzyl.dto.DeviceDataPageReqDto;
import com.zzyl.mapper.DeviceDataMapper;
import com.zzyl.service.DeviceDataService;
import com.zzyl.utils.ObjectUtil;
import com.zzyl.vo.DeviceDataVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class DeviceDataServiceImpl implements DeviceDataService {

    @Autowired
    private DeviceDataMapper deviceDataMapper;

    /**
     * 条件分页查询设备数据
     *
     * @param deviceDataPageReqDto
     * @return
     */
    @Override
    public PageResponse<DeviceDataVo> selectByPage(DeviceDataPageReqDto deviceDataPageReqDto) {
        PageHelper.startPage(deviceDataPageReqDto.getPageNum(), deviceDataPageReqDto.getPageSize());
        //前端传递的时间是一个long类型的毫秒值，作为条件查询数据库需要转换为日期类型
        Long startTime = deviceDataPageReqDto.getStartTime();
        Long endTime = deviceDataPageReqDto.getEndTime();
        deviceDataPageReqDto.setStartDate(ObjectUtil.isEmpty(startTime) ? null : LocalDateTimeUtil.of(startTime));
        deviceDataPageReqDto.setEndDate(ObjectUtil.isEmpty(endTime) ? null : LocalDateTimeUtil.of(endTime));
        //查询
        Page<DeviceDataVo> page = deviceDataMapper.selectByPage(deviceDataPageReqDto);
        return PageResponse.of(page, DeviceDataVo.class);
    }

}